: Search your library for a Dragon permanent card and put it into your graveyard. If you do, Scion of the Ur-Dragon becomes a copy of that card until end of turn. Then shuffle your library.
9/25/2006 Removing the other Dragon card from your graveyard has no effect on Scion of the Ur-Dragon.
9/25/2006 When Scion of the Ur-Dragon becomes a copy of another Dragon, it loses its copy ability for the rest of the turn.